44440228 has 24 divisors (see below), whose sum is σ = 91050624. Its totient is φ = 18580800.

The previous prime is 44440223. The next prime is 44440237. The reversal of 44440228 is 82204444.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 44440196 and 44440205.

It is not an unprimeable number, because it can be changed into a prime (44440223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18208 + ... + 20503.

It is an arithmetic number, because the mean of its divisors is an integer number (3793776).

Almost surely, 2^44440228 is an apocalyptic number.

It is an amenable number.

44440228 is an abundant number, since it is smaller than the sum of its proper divisors (46610396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44440228 is a wasteful number, since it uses less digits than its factorization.

44440228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38763 (or 38761 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 44440228 is about 6666.3504258327. The cubic root of 44440228 is about 354.2083211046.

The spelling of 44440228 in words is "forty-four million, four hundred forty thousand, two hundred twenty-eight".